KMC X8.99 Chain 8 Speed SilverThe KMC X8.99 Chain 8 Speed is compatible with 6, 7, and 8 speed setups. The KMC Bridge Double X Bridge Shape is super efficient and lets you shift smoothly. This chain has a stretch proof treatment. The mushroom riveting or Bulls-Eye Pin shaping helps to increase the durability as well by increasing the side plate retention.766759708269